1993 BUICK CENTURY cooling

Capacities and Specifications
Engine Code 4l (LN2)2 2.2L L4 PFI
:Belt Tensions-Automatically . controlled by an idler pulley. Tension adjustment
should never be necessary.
Cooling System Capacity
Complete System.
................................................ 8.3 Quarts
Radiator and Recovery Tank Only
.................................... 3.4 Quarts
Crankcase Capacity
(Less Filter) ..................................... 4 Quarts
Air Conditioning Refrigerant Capacity (Rl2) ........................... 2.38 Pounds
Not all air conditioning refrigerants are the same. If the air\
conditioning system
in your vehicle needs refrigerant, be sure the proper refrigerant is used. If
you’re not sure, ask your Buick dealer.
Fuel Tank Capacity
................................................ 16.5 Gallons
7.9 Liters
3.2 Liters
3.8 Liters
1
.Cn Kilograms
62.6 Liters
8th Character of the Vehicle Identification Number. * Made in a GM plant in the United States.
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Schedule I
Follow Schedule I if your vehicle is
MAINLY driven under one or more
of the following conditions:
When most trips are less than 4 miles
When most trips are less than
10 miles (16 km) and outside
temperatures remain below freezing.
When most trips include extended
idling and/or frequent low-speed
operation, as
in stop-and-go’ traffic.
(6 km).
When towing a trailer.
When operating in dusty areas.
Schedule I should also be followed if
the vehicle
is used for delivery
service, p?lice,
taxi or other
commercial applications.
* An Emission Control Service.
z2T The U.S. Environmental Protection Agency
has.determined that the failure to perform this
maintenance item will not nullify the emission
wamty
or limit recall liability prior to the
completion of vehicle useful life. General
Motors, however, urges that all recommended
maintenance services
be performed at the
indicated intervals and the maintenance be
recorded in “Section E: Maintenance Record.”
ITEM
NO.
TO BE SERVICED WHEN TO PERFORM
See “Explanation of Scheduled Maintenance Miles (kilometers) or Months
Services” following Schedules
I and D[. (whichever occurs first).
2 I Chassis Lubrication I Every other oil change.
Tire
and Wheel Rotation and Inspection At 6,000 Miles (10 000 km) and every 15,000
Miles (25 000 km) or as necessary. I
61
Cooling System Service* Every 30,000 Miles (50 O00 km) or 24
Months. I
8 I Spark
Plug Replacement* I Every 30,000 Miles (50 000 km). I
EGR System Inspection** Every 30,000 miles (50 OOO km)
(2.2L LA Code 4 engine only)
12 I Fuel Tank, Cap and Lines Inspection** I Every 30,000 Miles (50 OOO km). I
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Schedule 11
Follow Schedule II ONLY if none of
the driving conditions specified in Schedule
I apply.
*An Emission Control Service.
I% The U.S. Environmental Protection Agency
has determined that the failure
to perform this
maintenance item will not nullify the
emission warranty
or limit recall liability
prior to the completion of vehicle useful life.
General
Motors, however, urges that all
recommended maintenance services be
performed at the indicated intervals
and the
maintenance be recorded in “Section E:
Maintenance Record.”
TO BE SERVICED ITEM
No’ See “Explanation of Scheduled Maintenance
Services” following Schedules
I and II.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever
occurs first).
4l
Tire and Wheel Rotation and Inspection
Cooling
System Service* Every 30,000 Miles (50 OOO km) or 24
Every 30,000 Miles (50 000 km).
lo I
Every 30,000 Miles (50 OOO km)
12 I Fuel Tank, Cap and Lines Inspection** I Every 30,000 Miles (50 000 km).
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ITEM
NO. SERVICE
5 Engine Accessory Drive Belt Inspection-
* Inspect the belt for cracks, fraying, wear and
proper tension. Replace as needed.
6 Cooling System Service*-Drain, flush and
refill the system with new or approved recycled
coolant conforming to
GM Specification 1825M.
Keep coolant at the proper mixture as specified. See “Engine Coolant” in the Index. This
provides proper freeze protection, corrosion inhibitor level and engine operating temperature.
Inspect hoses and replace if they are cracked,
swollen or deteriorated. Tighten screw-type hose
clamps. Clean the outside of the radiator and air
conditioning condenser. Wash the pressure cap
and neck.
To help ensure proper operation, we recommend
a pressure test of
both the cooling system and the
pressure cap.
ITEM
NO. SERVICE
7 Transaxle Service-Change both the fluid and
filter every
l5,O00 miles (25 O00 km) if the
vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside tem-
perature regularly reaches
90°F (32OC) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police car or
If you do’not use your vehicle under any of
these conditions, change both the fluid and filter every
100,000 miles (160 0o0 km).
plugs with the proper type. See “Specifications
‘and Capacities” in the Index. delivery service.
8 Spark
Plug Replacement*-Replace spark
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